My seedlings are 1 inch tall growing in grow fiber pellets when should I transplant them to 3 inch pot I have them under 2 cfl right now with small heater in the closet and a small humidifier with the exhaust coming on in 15 min intervals I have 600 w digital mh/hps I'm going to turn on in a couple weeks. growing in a 3/3/7 closet, any good info for me thanks a lot